Split prop command into separate file (#9514)

tests/commands/prop.rb

@@ -0,0 +1,33 @@
+require 'minitest/autorun'
+require_relative '../../commands/prop'
+require_relative '../../lib/package'
+
+class PropCommandTest < Minitest::Test
+  def test_no_arguments
+    expected_output = <<~EOT
+      Explain the purpose of various package boolean properties.
+      Usage: crew prop <property>
+      Available properties: #{Package.print_boolean_properties}
+    EOT
+    assert_output expected_output, nil do
+      Command.prop(nil)
+    end
+  end
+
+  def test_no_env_options_property
+    expected_output = <<~EOT
+      Use the 'no_env_options' property for packages that do not require
+      environment options or to override the default options.
+    EOT
+    assert_output expected_output, nil do
+      Command.prop('no_env_options')
+    end
+  end
+
+  def test_is_static_property
+    expected_output = "Use the 'is_static' property for packages which do not require shared dependencies.\n"
+    assert_output expected_output, nil do
+      Command.prop('is_static')
+    end
+  end
+end